body {
  margin: 0;
  padding: 0;
  font-size: 16px;
  background: #cdcdcd;
}

header {
  height: 50px;
  background: #333;
  background: rgba(47, 47, 47, 0.98);
}

section {
  margin: 0 auto;
}

label {
  float: left;
  width: 100px;
  line-height: 50px;
  color: #ddd;
  font-size: 24px;
  cursor: pointer;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

header input {
  float: right;
  width: 60%;
  height: 24px;
  margin-top: 12px;
  text-indent: 10px;
  border-radius: 5px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.24), 0 1px 6px rgba(0, 0, 0, 0.45) inset;
  border: none;
}

input:focus {
  outline-width: 0;
}

h2 {
  position: relative;
}

span {
  position: absolute;
  top: 2px;
  right: 5px;
  display: inline-block;
  padding: 0 5px;
  height: 20px;
  border-radius: 20px;
  background: #e6e6fa;
  line-height: 22px;
  text-align: center;
  color: #666;
  font-size: 14px;
}

ol,
ul {
  padding: 0;
  list-style: none;
}

li input {
  position: absolute;
  top: 2px;
  left: 10px;
  width: 22px;
  height: 22px;
  cursor: pointer;
}
li .txt {
  left: 45px;
  width: 60%;
  /* 阻止用户选中 */
  user-select: none;
  cursor: text;
  display: none;
}

p {
  margin: 0;
}

li p input {
  top: 3px;
  left: 40px;
  width: 70%;
  height: 20px;
  line-height: 14px;
  text-indent: 5px;
  font-size: 14px;
}

li {
  height: 32px;
  line-height: 32px;
  background: #fff;
  position: relative;
  margin-bottom: 10px;
  padding: 0 45px;
  border-radius: 3px;
  border-left: 5px solid #629a9c;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.07);
}

ol li {
  cursor: move;
}

ul li {
  border-left: 5px solid #999;
  opacity: 0.5;
}

li a {
  position: absolute;
  top: 2px;
  right: 5px;
  display: inline-block;
  width: 14px;
  height: 12px;
  border-radius: 14px;
  border: 6px double #fff;
  background: #ccc;
  line-height: 14px;
  text-align: center;
  color: #fff;
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
}

footer {
  color: #666;
  font-size: 14px;
  text-align: center;
}

footer a {
  color: #666;
  text-decoration: none;
  color: #999;
}

@media screen and (max-device-width: 620px) {
  section {
    width: 96%;
    padding: 0 2%;
  }
}

@media screen and (min-width: 620px) {
  section {
    width: 600px;
    padding: 0 10px;
  }
}
